There is absence of the right clavicle, acromion process, and part of the scapular spine and scapular fossa, as well as an approximately 3 cm, well-defined lucent lesion in the body of the scapula in the infraspinous region. There are small linear areas of osseous density in the expected location of the scapular spine and acromion process. There is no periosteal reaction noted or associated soft tissue mass. All other visualized structures are unremarkable.